diff -u -ur configure.ac configure.ac
--- /configure.ac	2019-06-11 20:12:01 +0000
+++ configure.ac	2019-08-27 22:08:08 +0000
@@ -632,7 +632,13 @@
  * The value returned from tgetent on success.
  * Some HP-UX systems return 0 on success.
  */
-#define TGETENT_OK  1
+#ifdef	__hpux
+#define	TGETENT_OK	0
+#define	TGETFLAG_OK	0
+#else
+#define	TGETENT_OK	1
+#define	TGETFLAG_OK	1
+#endif
 
 /*
  * HAVE_ANSI_PROTOS	is 1 if your compiler supports ANSI function prototypes.
diff -u -ur screen.c screen.c
--- screen.c	2019-06-11 20:12:01 +0000
+++ screen.c	2019-08-27 22:07:34 +0000
@@ -674,7 +674,10 @@
 		return (*s != '\0' && *s != '0');
 	if (hardcopy)
 		return (0);
-	return (tgetflag(capname));
+	if (tgetflag(capname) == TGETFLAG_OK)
+		return 1;
+	else
+		return 0;
 }
 
 	static int